Complementary and Alternative Medicine (CAM) for PTSDJennifer L. Strauss, PhD, Ariel J. Lang, PhD, and Paula P. Schnurr, PhDKey Points Use of CAM is widespread for the management of mental health problems, including PTSD. There is only limited evidence about the effectiveness of CAM as a treatment for PTSD; however, the evidence suggests that some CAM approaches have modest beneficial effects as a treatment for PTSD. Most VA mental health programs offer CAM approaches; VA is supporting efforts to study the benefits of CAM for PTSD.Complementary and alternative medicine (CAM) therapiesBroadly conceptualized, “complementary and alternative medicine” (CAM) refers to treatments not considered to be standard in the current practice of Western medicine: Complementary refers to the use of these techniques in combination with conventional approaches. Alternative refers to their use in lieu of conventional practices.Many treatments and techniques that are considered CAM within the U.S. are part of conventional medicinal practices in other parts of the world. As Western practitioners and consumers increasingly adopt these approaches, the boundaries between conventional medicine and CAM continue to shift. Please visit The National Center for Complementary and Alternative Medicine (NCCAM) for a complete overview of CAM interventions.